<template>
    <div class="app-container">
        <el-form :model="queryParams" ref="queryForm" size="small" :inline="true" v-show="showSearch">
            <el-form-item label="部门名称" prop="name">
                <el-input v-model="queryParams.name" placeholder="请输入部门名称" clearable @keyup.enter.native="handleQuery"/>
            </el-form-item>
            <el-form-item label="状态" prop="status">
                <el-select v-model="queryParams.status" placeholder="菜单状态" clearable>
                    <el-option v-for="dict in statusDictDatas" :key="parseInt(dict.value)" :label="dict.label" :value="parseInt(dict.value)"/>
                </el-select>
            </el-form-item>
            <el-form-item>
                <el-button type="primary" icon="el-icon-search" @click="handleQuery">搜索</el-button>
                <el-button icon="el-icon-refresh" @click="resetQuery">重置</el-button>
            </el-form-item>
        </el-form>

        <el-row :gutter="10" class="mb8">
            <el-col :span="1.5">
                <el-button type="primary" plain icon="el-icon-plus" size="mini" @click="handleAdd"
                           v-hasPermi="['system:dept:add']">新增</el-button>
            </el-col>
            <el-col :span="1.5">
                <el-button type="info" plain icon="el-icon-sort" size="mini" @click="toggleExpandAll">展开/折叠</el-button>
            </el-col>
            <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
        </el-row>

        <el-table v-if="refreshTable" v-loading="loading" :data="deptList" row-key="id" :default-expand-all="isExpandAll"
                  :tree-props="{children: 'children', hasChildren: 'hasChildren'}">
            <el-table-column prop="name" label="部门名称" width="260" align="center"></el-table-column>
            <el-table-column prop="leader" label="负责人" :formatter="userNicknameFormat" width="120"  align="center"/>
            <el-table-column prop="sort" label="排序" width="200"  align="center"></el-table-column>
            <el-table-column prop="status" label="状态" width="100"  align="center">
                <template v-slot="scope">
                    <dict-tag2 :type="DICT_TYPE.COMMON_STATUS" :value="scope.row.status"/>
                </template>
            </el-table-column>
            <el-table-column label="创建时间" align="center" prop="createTime" width="200">
                <template v-slot="scope">
                    <span>{{ parseTime(scope.row.createTime) }}</span>
                </template>
            </el-table-column>
            <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
                <template v-slot="scope">
                    <el-button size="mini" type="text" icon="el-icon-edit" @click="handleUpdate(scope.row)"
                               v-hasPermi="['system:dept:edit']">修改</el-button>
                    <el-button size="mini" type="text" icon="el-icon-plus" @click="handleAdd(scope.row)"
                               v-hasPermi="['system:dept:add']">新增</el-button>
                    <el-button v-if="scope.row.parentId !== 0" size="mini" type="text" icon="el-icon-delete"
                               @click="handleDelete(scope.row)" v-hasPermi="['system:dept:remove']">删除</el-button>
                </template>
            </el-table-column>
        </el-table>

        <!-- 添加或修改部门对话框 -->
        <el-dialog :title="title" :visible.sync="open" width="600px" append-to-body>
            <el-form ref="form" :model="form" :rules="rules" label-width="80px">
                <el-row>
                    <el-col :span="24">
                        <el-form-item label="上级部门" prop="parentId">
                            <treeselect v-model="form.parentId" :options="deptOptions" :normalizer="normalizer" placeholder="选择上级部门" />
                        </el-form-item>
                    </el-col>
                    <el-col :span="12">
                        <el-form-item label="部门名称" prop="name">
                            <el-input v-model="form.name" placeholder="请输入部门名称" />
                        </el-form-item>
                    </el-col>
                    <el-col :span="12">
                        <el-form-item label="显示排序" prop="sort">
                            <el-input-number v-model="form.sort" controls-position="right" :min="0" />
                        </el-form-item>
                    </el-col>
                    <el-col :span="12">
                        <el-form-item label="负责人" prop="leaderUserId">
                            <el-select v-model="form.leaderUserId" placeholder="请输入负责人" clearable style="width: 100%">
                                <el-option v-for="item in users" :key="parseInt(item.id)" :label="item.nickname" :value="parseInt(item.id)" />
                            </el-select>
                        </el-form-item>
                    </el-col>
                    <el-col :span="12">
                        <el-form-item label="联系电话" prop="phone">
                            <el-input v-model="form.phone" placeholder="请输入联系电话" maxlength="11" />
                        </el-form-item>
                    </el-col>
                    <el-col :span="12">
                        <el-form-item label="邮箱" prop="email">
                            <el-input v-model="form.email" placeholder="请输入邮箱" maxlength="50" />
                        </el-form-item>
                    </el-col>
                    <el-col :span="12">
                        <el-form-item label="部门状态" prop="status">
                            <el-radio-group v-model="form.status">
                                <el-radio v-for="dict in statusDictDatas" :key="parseInt(dict.value)" :label="parseInt(dict.value)">
                                    {{dict.label}}</el-radio>
                            </el-radio-group>
                        </el-form-item>
                    </el-col>
                </el-row>
            </el-form>
            <div slot="footer" class="dialog-footer">
                <el-button type="primary" @click="submitForm">确 定</el-button>
                <el-button @click="cancel">取 消</el-button>
            </div>
        </el-dialog>
    </div>
</template>

<script>
import { listDept, getDept, delDept, addDept, updateDept } from "@/api/system/dept";
import Treeselect from "@riophae/vue-treeselect";
import "@riophae/vue-treeselect/dist/vue-treeselect.css";

import {CommonStatusEnum} from '@/utils/constants'
import { getDictDatas, DICT_TYPE } from '@/utils/dictNew'
import {listSimpleUsers} from "@/api/system/user";

export default {
    name: "SystemDept",
    components: { Treeselect },
    data() {
        return {
            // 遮罩层
            loading: true,
            // 显示搜索条件
            showSearch: true,
            // 表格树数据
            deptList: [],
            // 部门树选项
            deptOptions: [],
            // 用户下拉列表
            users: [],
            // 弹出层标题
            title: "",
            // 是否显示弹出层
            open: false,
            // 是否展开，默认全部展开
            isExpandAll: true,
            // 重新渲染表格状态
            refreshTable: true,
            // 是否展开
            expand: false,
            // 查询参数
            queryParams: {
                name: undefined,
                status: undefined
            },
            // 表单参数
            form: {},
            // 表单校验
            rules: {
                name: [
                    { required: true, message: "部门名称不能为空", trigger: "blur" }
                ],
                sort: [
                    { required: true, message: "显示排序不能为空", trigger: "blur" }
                ],
                email: [
                    {
                        type: "email",
                        message: "'请输入正确的邮箱地址",
                        trigger: ["blur", "change"]
                    }
                ],
                phone: [
                    {
                        pattern: /^(?:(?:\+|00)86)?1(?:3[\d]|4[5-79]|5[0-35-9]|6[5-7]|7[0-8]|8[\d]|9[189])\d{8}$/,
                        message: "请输入正确的手机号码",
                        trigger: "blur"
                    }
                ],
                status: [
                    { required: true, message: "状态不能为空", trigger: "blur" }
                ]
            },

            // 枚举
            CommonStatusEnum: CommonStatusEnum,
            // 数据字典
            statusDictDatas: getDictDatas(DICT_TYPE.COMMON_STATUS)
        };
    },
    created() {
        this.getList();
        // 获得用户列表
        listSimpleUsers().then(response => {
            this.users = response.data;
        });
    },
    methods: {
        /** 查询部门列表 */
        getList() {
            this.loading = true;
            listDept(this.queryParams).then(response => {
                this.deptList = this.handleTree(response.data, "id");
                this.loading = false;
            });
        },
        /** 转换部门数据结构 */
        normalizer(node) {
            if (node.children && !node.children.length) {
                delete node.children;
            }
            return {
                id: node.id,
                label: node.name,
                children: node.children
            };
        },
        // 用户昵称展示
        userNicknameFormat(row, column) {
            if (!row.leaderUserId) {
                return '未设置';
            }
            for (const user of this.users) {
                if (row.leaderUserId === user.id) {
                    return user.nickname;
                }
            }
            return '未知【' + row.leaderUserId + '】';
        },
        // 取消按钮
        cancel() {
            this.open = false;
            this.reset();
        },
        // 表单重置
        reset() {
            this.form = {
                id: undefined,
                parentId: undefined,
                name: undefined,
                sort: undefined,
                leaderUserId: undefined,
                phone: undefined,
                email: undefined,
                status: CommonStatusEnum.ENABLE,
            };
            this.resetForm("form");
        },
        /** 搜索按钮操作 */
        handleQuery() {
            this.getList();
        },
        /** 重置按钮操作 */
        resetQuery() {
            this.resetForm("queryForm");
            this.handleQuery();
        },
        /** 新增按钮操作 */
        handleAdd(row) {
            this.reset();
            if (row !== undefined) {
                this.form.parentId = row.id;
            }
            this.open = true;
            this.title = "添加部门";
            listDept().then(response => {
                this.deptOptions = this.handleTree(response.data, "id");
            });
        },
        /** 展开/折叠操作 */
        toggleExpandAll() {
            this.refreshTable = false;
            this.isExpandAll = !this.isExpandAll;
            this.$nextTick(() => {
                this.refreshTable = true;
            });
        },
        /** 修改按钮操作 */
        handleUpdate(row) {
            this.reset();
            getDept(row.id).then(response => {
                this.form = response.data;
                if (this.form.parentId === 0) { // 无父部门时，标记为 undefined，避免展示为 Unknown
                    this.form.parentId = undefined;
                }
                this.open = true;
                this.title = "修改部门";
            });
            listDept(row.id).then(response => {
                this.deptOptions = this.handleTree(response.data, "id");
            });
        },
        /** 提交按钮 */
        submitForm: function() {
            this.$refs["form"].validate(valid => {
                if (valid) {
                    if (this.form.id !== undefined) {
                        updateDept(this.form).then(response => {
                            this.$modal.msgSuccess("修改成功");
                            this.open = false;
                            this.getList();
                        });
                    } else {
                        addDept(this.form).then(response => {
                            this.$modal.msgSuccess("新增成功");
                            this.open = false;
                            this.getList();
                        });
                    }
                }
            });
        },
        /** 删除按钮操作 */
        handleDelete(row) {
            this.$modal.confirm('是否确认删除名称为"' + row.name + '"的数据项?').then(function() {
                return delDept(row.id);
            }).then(() => {
                this.getList();
                this.$modal.msgSuccess("删除成功");
            }).catch(() => {});
        }
    }
};
</script>
